Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560496 | Adjustable bar screen | — | 1996-10-01 |
| 5476179 | Adjustable bar screen | Richard D. Jones, Joseph B. Bielagus | 1995-12-19 |
| 5392931 | Adjustable bar screen | Richard D. Jones, Joseph B. Bielagus | 1995-02-28 |